731789968 has 120 divisors (see below), whose sum is σ = 1806592704. Its totient is φ = 279624960.

The previous prime is 731789963. The next prime is 731789969. The reversal of 731789968 is 869987137.

731789968 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Its product of digits (4572288) is a multiple of the sum of its prime divisors (576).

It is not an unprimeable number, because it can be changed into a prime (731789963) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1398955 + ... + 1399477.

Almost surely, 2^731789968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 731789968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (903296352).

731789968 is an abundant number, since it is smaller than the sum of its proper divisors (1074802736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

731789968 is a wasteful number, since it uses less digits than its factorization.

731789968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613 (or 576 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 58.

The square root of 731789968 is about 27051.6167354190. The cubic root of 731789968 is about 901.1466734035.

The spelling of 731789968 in words is "seven hundred thirty-one million, seven hundred eighty-nine thousand, nine hundred sixty-eight".